Finding the Fourth Proportional to 350,313.96, 483,434.74 and 197,353.98
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Solution
The fourth proportional to 350,313.96, 483,434.74 and 197,353.98 is: 272,349.33
Step by Step Solution
- Step 1: Write the proportion equation
350,313.96 : 483,434.74 = 197,353.98 : x - Step 2: Convert to fraction form
350,313.96/483,434.74 = 197,353.98/x - Step 3: Cross multiply
350,313.96x = 483,434.74 × 197,353.98 - Step 4: Simplify right side
350,313.96x = 95,407,770,720.65 - Step 5: Solve for x
x = 95,407,770,720.65/350,313.96 - Step 6: Final answer
x = 272,349.33
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.